Aresbikes plans to produce the A-Class tire as a foldable Kevlar version. A limited edition was available at the Flatark contest in Kobe, Japan in October 2014. Here some more A-Class Kevlar details:
A-CLASS KEVLAR TIRE
Size : 20×1.75 & 20×1.90
100% Made In Japan
Weight : 1.75 / 345g, 1.90 / 405g